Intense gusts reaching velocities of as high as 155km/h (96mph) have caused around 90,000 households lacking electricity and compelled officials to call off over 100 flights, according to domestic outlets.
These gusts are impacting the complete southern region and southern sections of the northern region, as stated by the country's meteorological service.
New Zealand authorities have announced infrequent severe gust advisories - the highest alert level - in central regions such as these major districts.
Residents have been encouraged to avoid going outside, avoid travel, and prepare for further power and communication outages.
The electricity loss is primarily influencing homes mostly in the South Island, though agencies state that the electricity supply was being restored progressively.
Domestic outlets have reported that in some places structures have suffered roof damage, whereas power lines and trees have been toppled by the gales.
Across Wellington, a man was lost his life after being hit by a falling limb at a frequent walking route on Tuesday.
Also in the capital, a individual was swept into approaching vehicles on a thoroughfare by a powerful blast, in a event that was recorded in a viral dashcam video.
Aircraft services in and out of the urban area have been suspended because of the weather, and various routes and public facilities are not operating.
Meanwhile authorities in Canterbury have announced a state of emergency, to facilitate disaster response efforts.
These intense gusts on this day coincide with many of teachers, doctors and other public workers are engaged in what has been called a "significant labor action", demanding improved salaries and workplace environments.
However the intense climate has forced them to modify certain arrangements, with various open-air gatherings shifted to interior venues or called off.
Similar gusts are affecting Australia, ushering in a heatwave to the nation's interior regions.
Officials have announced burning restrictions for apprehension regarding bushfires.
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